File indexing completed on 2025-01-05 04:37:19

 /*
     SPDX-FileCopyrightText: 2005 Joris Guisson <joris.guisson@gmail.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 #ifndef NETBUFFEREDSOCKET_H
 #define NETBUFFEREDSOCKET_H
 
 #include <QMutex>
 #include <deque>
 #include <download/packet.h>
 #include <download/request.h>
 #include <net/socket.h>
 #include <net/trafficshapedsocket.h>
 
 namespace net
 {
 using bt::Uint32;
 using bt::Uint8;
 
 /**
  * @author Joris Guisson <joris.guisson@gmail.com>
  *
  * Extends the TrafficShapedSocket with outbound bittorrent
  * packet queues.
  */
 class PacketSocket : public TrafficShapedSocket
 {
 public:
     PacketSocket(SocketDevice *sock);
     PacketSocket(int fd, int ip_version);
     PacketSocket(bool tcp, int ip_version);
     ~PacketSocket() override;
 
     /**
      * Add a packet to send
      * @param packet The Packet to send
      **/
     void addPacket(bt::Packet::Ptr packet);
 
     Uint32 write(Uint32 max, bt::TimeStamp now) override;
     bool bytesReadyToWrite() const override;
 
     /// Get the number of data bytes uploaded
     Uint32 dataBytesUploaded();
 
     /**
      * Clear all pieces we are not in the progress of sending.
      * @param reject Whether or not to send a reject
      */
     void clearPieces(bool reject);
 
     /**
      * Do not send a piece which matches this request.
      * But only if we are not already sending the piece.
      * @param req The request
      * @param reject Whether we can send a reject instead
      */
     void doNotSendPiece(const bt::Request &req, bool reject);
 
     /// Get the number of pending piece uploads
     Uint32 numPendingPieceUploads() const;
 
     /// Get the number of pending piece upload bytes (including message headers)
     Uint32 numPendingPieceUploadBytes() const;
 
 protected:
     /**
      * Preprocess the packet data, before it is sent. Default implementation does nothing.
      * @param packet The packet
      **/
     virtual void preProcess(bt::Packet::Ptr packet);
 
 private:
     bt::Packet::Ptr selectPacket();
 
 protected:
     std::deque<bt::Packet::Ptr> control_packets;
     std::deque<bt::Packet::Ptr> data_packets; // NOTE: revert back to lists because of erase() calls?
     bt::Packet::Ptr curr_packet;
     Uint32 ctrl_packets_sent;
 
     Uint32 pending_upload_data_bytes;
     Uint32 uploaded_data_bytes;
 };
 
 }
 
 #endif